Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual era o segmento A quando o segmento B era snowboards?
 ###Tabelas: CREATE TABLE first_generation_models (first_generation_models_id AUTO_INCREMENT PRIMARY KEY, Model VARCHAR, Power VARCHAR, Torque @rpm VARCHAR, Displacement (cc) INT, Engine VARCHAR) CREATE TABLE league_champions_and_major_awards (league_champions_and_major_awards_id AUTO_INCREMENT PRIMARY KEY, Year INT, League Champion VARCHAR, Best Blocker VARCHAR, Rookie of the Year VARCHAR, C.A.N.T.S.L.E.E.P. Award VARCHAR) CREATE TABLE season_1:_2001 (season_1:_2001_id AUTO_INCREMENT PRIMARY KEY, Series Ep. VARCHAR, Episode INT, Netflix VARCHAR, Segment A VARCHAR, Segment B VARCHAR, Segment C VARCHAR, Segment D VARCHAR) CREATE TABLE polling (polling_id AUTO_INCREMENT PRIMARY KEY, Party VARCHAR, Results 2004 VARCHAR, Ifop 11/12/08 VARCHAR, Ifop 1/9/09 VARCHAR, Ipsos 3/14/09 VARCHAR, CSA 4/16/09 VARCHAR, OpinionWay 4/17/09 VARCHAR, Ifop 4/24/09 VARCHAR, Ipsos 5/2/09 VARCHAR, Ifop 5/11/09 VARCHAR, OpinionWay 5/11/09 VARCHAR) CREATE TABLE singles:_18_8_titles_–_10_runner-ups (singles:_18_8_titles_–_10_runner-ups_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date INT, Championship VARCHAR, Surface VARCHAR, Opponent VARCHAR, Score VARCHAR)  
SELECT Segment A FROM season_1:_2001 WHERE Segment B = Snowboards